metrics: Add leak detector controller in Chrome OS metrics system

chrome/browser/BUILD.gn

 # Copyright 2014 The Chromium Authors. All rights reserved.
 # Use of this source code is governed by a BSD-style license that can be
 # found in the LICENSE file.
 
 import("//build/config/chrome_build.gni")
 import("//build/config/crypto.gni")
 import("//build/config/features.gni")
 import("//build/config/ui.gni")
 import("//chrome/common/features.gni")
+import("//components/metrics/leak_detector/leak_detector.gni")
 import("//media/media_options.gni")
 import("//third_party/protobuf/proto_library.gni")
 
 # //build/config/android/rules.gni imports //tools/grit/grit_rule.gni, which
 # produces a conflict for the "grit" template so we have to only include one.
 if (is_android) {
   import("//build/config/android/rules.gni")
 } else {
   import("//tools/grit/grit_rule.gni")
 }
@@ skipping 105 matching lines @@
     "//components/gcm_driver",
     "//components/gcm_driver/instance_id",
     "//components/google/core/browser",
     "//components/guest_view/browser",
     "//components/handoff",
     "//components/history/core/browser",
     "//components/history/core/common",
     "//components/infobars/core",
     "//components/invalidation/impl",
     "//components/metrics:gpu",
+    "//components/metrics:metrics_flags",
     "//components/metrics:net",
     "//components/metrics:profiler",
     "//components/metrics:profiler_content",
     "//components/metrics:ui",
     "//components/metrics/proto:proto",
     "//components/metrics_services_manager",
     "//components/mime_util",
     "//components/navigation_metrics",
     "//components/network_time",
     "//components/ntp_snippets",
@@ skipping 444 matching lines @@
     deps += [ "//chrome/browser/chromeos" ]
   }
 
   if (is_chromeos || is_ios) {
     sources -= [
       "signin/chrome_signin_status_metrics_provider_delegate.cc",
       "signin/chrome_signin_status_metrics_provider_delegate.h",
     ]
   }
 
+  if (is_chromeos && enable_leak_detector) {
+    sources += [
+      "metrics/leak_detector_controller.cc",
+      "metrics/leak_detector_controller.h",
+    ]
+    deps += [ "//components/metrics:leak_detector" ]
+  }
+
   if (use_cups) {
     configs += [ "//printing:cups" ]
   }
   if (is_desktop_linux) {
     sources += rebase_path(gypi_values.chrome_browser_gnome_keyring_sources,
                            ".",
                            "//chrome")
     configs += [ ":gnome_keyring" ]
   }
   if (is_desktop_linux) {
@@ skipping 720 matching lines @@
         rebase_path(gypi_values.chrome_browser_rlz_sources, ".", "//chrome")
     deps = [
       "//components/google/core/browser",
       "//components/omnibox/browser",
       "//components/rlz",
       "//components/search_engines",
       "//rlz:rlz_lib",
     ]
   }
 }